package day0214;

public class MethodDemo05 {

    public static void main(String[] args) {
        int[] arr = {3, 1, 2, 5, 4};

        System.out.println("排序前：");
        printArray(arr);

        bubbleSort(arr);

        System.out.println("排序后：");
        printArray(arr);

    }

    static void bubbleSort(int[] arr) {
        // 冒泡排序
        for (int i = 0; i < arr.length - 1; i++) {
            for (int j = 0; j < arr.length - 1 - i; j++) {
                if (arr[j] > arr[j + 1]) {
                    int temp = arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1] = temp;
                }
            }
        }
    }

    static void printArray(int[] arr) {
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + ", ");
        }
        System.out.println();
    }
}
